162426389 has 2 divisors, whose sum is σ = 162426390. Its totient is φ = 162426388.

The previous prime is 162426359. The next prime is 162426401. The reversal of 162426389 is 983624261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88981489 + 73444900 = 9433^2 + 8570^2 .

It is a cyclic number.

It is not a de Polignac number, because 162426389 - 2¹⁶ = 162360853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162426359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81213194 + 81213195.

It is an arithmetic number, because the mean of its divisors is an integer number (81213195).

Almost surely, 2^162426389 is an apocalyptic number.

It is an amenable number.

162426389 is a deficient number, since it is larger than the sum of its proper divisors (1).

162426389 is an equidigital number, since it uses as much as digits as its factorization.

162426389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 41.

The square root of 162426389 is about 12744.6611959675. The cubic root of 162426389 is about 545.6140306019.

The spelling of 162426389 in words is "one hundred sixty-two million, four hundred twenty-six thousand, three hundred eighty-nine".